Computer Science – Performance
Scientific paper
Jan 2012
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2012aas...21915508g&link_type=abstract
American Astronomical Society, AAS Meeting #219, #155.08
Computer Science
Performance
Scientific paper
Direct imaging and spectroscopy of terrestrial planets in the habitable zones of nearby stars has been identified as a key goal by the ASTRO2010 Decadal Survey. The starshade is one of two starlight-suppression architectures being considered to meet this goal in the next decade. Key technologies for this concept must be matured in the next several years to demonstrate that this is a feasible way to achieve the science goals. One of the challenges in this technology development effort is creating an error budget for the starshade shape and demonstrating a design that can meet those requirements. This budget must include error sources such as manufacturing accuracy, on-orbit thermal distortion, and on-orbit jitter. We report our latest progress in simulating the effects of these error sources on the starlight-suppression performance, combining them into an error budget for the starshade, and determining the ability of our structural design to meet the budgeted tolerances.
Casement Suzanne
Dailey Dean
Donovan Jennifer
Glassman Tiffany Michelle
Hurst W.
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